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Osakasayama, Japan

Elephant Chain Block Co., Ltd.

USPTO Granted Patents = 40

Trademarks = 3

Forward Citations = 260

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21 inventors (with patents filed for the assignee):

Yasuo Wada (13 out of 13 patents)

Yoshio Ueno (13 out of 16 patents)

Masaru Fujikawa (12 out of 12 patents)

4. Munenobu Honda (10 out of 10 patents)

5. Haruo Kubota (9 out of 9 patents)

6. Koji Saai (8 out of 8 patents)

7. Yoshio Nishi (8 out of 8 patents)

8. Yosiaki Okamoto (4 out of 4 patents)

9. Takasi Uesugi (4 out of 4 patents)

10. Eikiti Kobayasi (4 out of 4 patents)

11. Tadasu Matusima (2 out of 2 patents)

12. Hidenori Fujiwara (2 out of 2 patents)

13. Eikichi Kobayashi (2 out of 2 patents)

14. Yoshiaki Okamoto (2 out of 2 patents)

15. Yoshitaka Inoue (2 out of 2 patents)

Core Competencies:

Lifting Gear

Chain Lever Hoist

Belt Hoist

Sling

Chain Block

Manual Hoist

Electric Hoist

Mechanical Brake

Free Rotation Control

Overload Protection

Hoist Apparatus

Traction Machine

40 patents: Sort by Forward Citations

1. 6554255 - Lifting gear (2003-04-29),

2. D459855 - Lifting hook (2002-07-03),

3. D459854 - Lifting apparatus (2002-07-03),

4. 6406001 - Chain lever hoist (2002-06-18),

5. 6390523 - Belt hoist (2002-05-21),

6. 6371543 - Sling (2002-04-16),

7. 6241214 - Structure supporting apparatus (2001-06-05),

8. 6224039 - Chain block (2001-05-01),

9. 6142448 - Belt hoist (2000-11-07),

10. 6062543 - Hand operated chain block having an improved load chain device (2000-05-16),

11. D424269 - Wheel cover for chain block (2000-05-02),

12. 6032928 - Hand operated chain block having improved hand wheel (2000-03-07),

13. 6030015 - Belt hoist having improved belt-hook assembly (2000-02-29),

14. D421172 - Hoist body of lever type (2000-02-22),

15. 6007054 - Hand operated chain block having an improved cover (1999-12-28),

Elephant Chain Block Co., Ltd. is a leading blockchain technology company specializing in developing innovative solutions for various industries. Our team of experts combines cutting-edge technology with extensive industry knowledge to create secure, scalable, and efficient blockchain solutions. With a focus on empowering businesses and individuals through blockchain technology, we offer a wide range of services including blockchain development, consulting, and implementation. Visit our website to learn more about how Elephant Chain Block Co., Ltd. can help transform your business with blockchain.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

40 Patents

#1 in Osakasayama

#1,932 in Japan

#16,565 in the World

Osakasayama, Japan

Elephant Chain Block Co., Ltd.

Forward Citations = 260

21 inventors:

Yasuo Wada (13 out of 13 patents)

Yoshio Ueno (13 out of 16 patents)

Masaru Fujikawa (12 out of 12 patents)

4. Munenobu Honda (10 out of 10 patents)

5. Haruo Kubota (9 out of 9 patents)

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